* {
    margin: 0px 0px;
    padding: 0px 0px;
}

#top {
    position: absolute;
    z-index: 955;
}

#main {
    background: url(../images/sylvian.jpg) no-repeat;
    width: 1902px;
    height: 1080px;
    position: relative;
    background-position-y: 100px;
}

#mid {
    width: 1903px;
    height: 65%;
    padding-top: 200px;
}

#left {
    background-color: rgba(86, 83, 102, 0.5);
    float: left;

    width: 525px;
    height: 100%;

}

#right {
    width: 1378px;

    float: right;
    height: 100%;
}

#down {
    text-align: center;
    line-height: 177px;
    width: 100%;
    height: 178px;
    background: url("../images/down_background.png");
    font-size: 23px;
    color: white;
}

#little_lead {
    padding-top: 50px;
    width: 50%;
    height: 100%;
    float: right;

}

#lead_myInfo {
    padding-top: 30px;
    padding-left: 10px;
}

.menu {
    width: 190px;
    cursor: pointer;
    font-size: 30px;
    color: rgb(162, 194, 194);
}

hr {
    border: none;
    background-color: white;
    height: 5px;
    margin-top: 15px;
}

#main_lead {
    width: 100%;
    height: 20%;

}

#main_lead > div {
    width: 80%;
    height: 50%;
    margin: 30px 30px;
    background: url(../images/bacgroud_lead.png) no-repeat;
    background-size: 100% 100%;
}

.menu_main {
    float: left;
    width: 16%;
    height: 100%;
    line-height: 70px;
    color: rgb(139, 153, 153);
    font-size: 25px;
    text-align: center;
    cursor: pointer;
}

#showArea {
    background-color: rgb(164, 172, 179, 0.5);
    width: 100%;
    height: 85%;
    position: relative;
    top: -65px;
    overflow: hidden;
}

